[06/10,V2] spi: Add SPI driver for mx233/mx28

[Shawn Guo]

On Tue, Jul 31, 2012 at 11:56:50PM -0700, Guenter Roeck wrote:
> Guess we are in violent agreement. The sequence would then either be
> 	master = spi_alloc_device();

The discussion is around spi_alloc_master rather than spi_alloc_device,
isn't it?

Regards,
Shawn

> 	...
> 	spi_master_put(master);
> or
> 	master = spi_alloc_device();
> 	...
> 	kfree(master);
> 
> which makes sense to me. Question still is why most drivers neither call kfree()
> nor spi_master_put() in the remove function.